platinum. noun. plat·i·num ˈplat-nəm, -ᵊn-əm. : a heavy precious grayish white noncorroding ductile malleable metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys. symbol Pt see Chemical Elements Table.
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Platinum is one of the least reactive metals. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal.
noun · A soft, ductile, malleable, silver-white metallic element that usually occurs with osmium, iridium, palladium, or nickel. It has a high melting point and ...
a valuable metal that is silver in color, does not react easily with other elements, and is used in jewelry and in industry. (Definition of platinum from ...
a ductile malleable silvery-white ferromagnetic element of the lanthanide series of metals: occurs principally in monazite and bastnaesite. Symbol: Gd; atomic ...
Element Platinum (Pt), Group 10, Atomic Number 78, d-block, Mass 195.084. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...
Platinum is a silvery metallic chemical element, a member of the six transition elements in Group VIII of the periodic table known collectively as the platinum ...
Platinum prices are typically quoted in U.S. dollars (USD) per troy ounce. As with most commodities, platinum is usually quoted in USD, but prices may be ...
Mar 6, 2024 · Platinum, chemical element, the best known and most widely used of the six platinum metals. A very heavy, precious, silver-white metal, ...